Home / 98,855.43-136,421.14-53,533.42

Finding the Fourth Proportional to 98,855.43, 136,421.14 and 53,533.42

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Solution

The fourth proportional to 98,855.43, 136,421.14 and 53,533.42 is: 73,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,855.43 : 136,421.14 = 53,533.42 : x
  2. Step 2: Convert to fraction form
    98,855.43/136,421.14 = 53,533.42/x
  3. Step 3: Cross multiply
    98,855.43x = 136,421.14 × 53,533.42
  4. Step 4: Simplify right side
    98,855.43x = 7,303,090,318.33
  5. Step 5: Solve for x
    x = 7,303,090,318.33/98,855.43
  6. Step 6: Final answer
    x = 73,876.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.